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DERBY, ENGLAND - DECEMBER 16: Didier Drogba of Chelsea checks on Kurt Zouma of Chelsea after his collision with goalkeeper Petr Cech of Chelsea and Richard Keogh of Derby during the Capital One Cup Quarter-Final match between Derby County and Chelsea at Pride Park Stadium on December 16, 2014 in Derby, England. (Photo by Laurence Griffiths/Getty Images)

DERBY, ENGLAND - DECEMBER 16: Didier Drogba of Chelsea checks on Kurt Zouma of Chelsea after his collision with goalkeeper Petr Cech of Chelsea and Richard Keogh of Derby during the Capital One Cup Quarter-Final match between Derby County and Chelsea at Pride Park Stadium on December 16, 2014 in Derby, England.  (Photo by Laurence Griffiths/Getty Images)